Noble metal halide compounds are an exciting class of materials which display unique crystal chemistry with temperature and pressure. Here we report two new compounds, single-valence formamidinium platinum iodide [(FA)2PtIVI6] and mixed-valence methylammonium gold iodide [(MA)2AuIAuIIII6]. Struc...

Hybrid perovskite solar cells have attracted tremendous interest in the photovoltaic community. Despite their high defect tolerance, reducing the trap density by material engineering and surface modification is still critical to further boost performance. Here, methylammonium lead(II) iodide per...

Organometal halide perovskite solar cells are regarded as a remarkable progress in the field of photovoltaic technology. However, the poor stability of perovskite solar cells becomes a serious issue restricting the commercial applications. Here, we investigate the doping of cesium cations in met...

The methylammonium lead iodide (CH3NH3PbI3 or MAPbI) material is currently investigated as active material in perovskite solar cells. Its stability, high optical band gap, low processing temperature and abundant elemental constituents provide numerous advantages over most powder absorber materia...

Monolithic perovskite/Si tandem solar cells have attracted particular interest because of the potential to achieve high power conversion efficiencies. However, tandem cells require the use of textured Si substrates for efficient light harvesting, and conformal deposition of the perovskite absorp...

Both electronic and ionic transport properties are key issues in the performance of perovskite solar cells. In order to understand the electrical behavior of organic-inorganic halide perovskites, and the possibilities to influence them, the elucidation of their equilibrium charge carrier chemist...

Organo-metal halides are the new generation of functional materials formed on a perovskite framework, ABX3. Despite the high throughput of these semiconductors, they are prone to long-term degradation. A degradation process that is still far from understood. This might be attributed to the compl...

Four light stabilizers have been synthesized and characterized, based on the substitution of an alicyclic amine group into the 4-position of 2-hydroxybenzophenone. The compounds prepared were bis-N,N′-alkylpiperazines, N-propoxymorpholinyl and 4-amino-2,2,6,6-tetramethylpiperidinyl derivatives....

The thermal and photooxidative stabilization activities of four light stabilizers based on 2-hydroxybenzophenone with alicyclic amine groups substituted in the 4-position have been examined and compared with those of 2-hydroxy-4-n-octoxybenzophenone (HOBZ) in polypropylene and high density polye...

The effects of 4-substitution of a butoxy-4-amino-2,2,6,6-tetramethylpiperidinyl group on the thermal and photostabilising action of 2-hydroxybenzophenone have been studied in polypropylene (PP) and Zeigler and Philips grade high density polyethylenes (HDPE), and these effects have been compared...

The thermodynamic and structural parameters of monolayers of N-alkanoyl-substituted alanine with 8–17 methylene fragments in the alkyl chain are calculated on the basis of the quantum chemical semiempirical PM3 method. Four optimized structures of monomers are obtained. The energetically most p...

Several analogues of (Z)-8-dodecenyl acetate (1a), the major pheromone component of the Oriental fruit moth, Cydia molesta, with chloroformate and lactone functional groups in place of the acetate moiety, were synthesized and investigated for their biological activity at four evaluation levels, ...

The metabolic fate of the plant growth regulator 2,3,5-triiodobenzoic acid was determined in soil using 14C-carboxyllabeled 2,3,5-triiodobenzoic acid. 1-14C-2,3,5-Triiodobenzoic acid was degraded to 14CO2 by the microflora in soil; no radioactive CO2 was evolved from sterilized soil. Following i...

The benzoic acid compounds 2-amino-3,5-dibromobenzoic acid (2A35Br) and 2-amino-3,5-diiodobenzoic (2A35I) acid have been synthesized and characterized by single-crystal X-ray diffraction, FT-IR spectroscopy, UV–Vis spectroscopy and computational methods. Molecular geometry, intra- and inter-mol...

5-Iodo- and 4,5-dibromo-2-methylpyridazin-3(2H)-ones were aminocarbonylated in the presence of various amines including amino acid methyl esters in a palladium-catalysed reaction. The iodo derivative afforded the corresponding amides with complete conversion and high isolated yields. The dibromo...

A direct detection of amino acid solutions was conducted based on surface-enhanced Raman scattering (SERS) substrate of Cu nanoparticle-coated copper vanadate nanoribbons, which were the products of mechanochemical reaction between aluminum and copper vanadate. The newly formed Cu nanoparticles ...

Two novel heterometallic complexes [Cu(bpy)2V2O2(O2)2(R-mand)2][Cu(bpy)2V2O2(O2)2(S-mand)2]·2CH3CN·2H2O (1), and [Cu(phen)2V2O2(O2)2(R-mand)2][Cu(phen)2V2O2(O2)2(S-mand)2]·2CH3CN·2H2O (2), (mand = mandelato(2–) = C6H5CH(O)CO22–) were prepared and characterized by spectral methods. X-ray si...

A way to fulfill efficient exploitation of desired catalytic nature provided by V oxide is to modify its chemical structure through the incorporation of secondary transition metal species. This paper reports the use of Cu as a modifier of high-valent V oxide (V2O5) to produce a class of copper v...

Solar hydrogen obtained from photoelectrochemical water splitting offers a versatile approach towards the substitution of fossil fuels by decentralized and sustainable resources, like water and sun. In the present study we have investigated the Chromium doped Copper Vanadate (Cr:Cu3V2O8) as a ca...

Morphology-controlled synthesis of copper vanadate nanocrystals is of great significance in electrochemical sensing applications. A facile hydrothermal process for synthesizing copper vanadate nanocrystals with various morphologies (e.g., nanoparticles, nanobelts and nanoflowers) was reported. P...